Issues

Add pypyodbc support

It would be nice if there was support for it out of the box in SQLAlchemy so that we could switch between cpython and pypy with a swap of a connection string. Here are their docs on all that is required:

OK I've gotten some pypyodbc tests to run, will need its own connector/dialect with some different options and different way of detecting server version info. pypyodbc isn't working for me with pypy at the moment but is working with cpython.